JDY-31 Bluetooth Module Testing –– 1. Introduction JDY-31 Bluetooth is designed based on Bluetooth 3.0 SPP, allowing support for Windows, Linux, and Android data transmission. It operates in the 2.4GHz frequency band, uses GFSK modulation, has a maximum transmission power of 8dB, and a maximum transmission distance of 30 meters. Users can modify the device … Read more
Reply to the official account with 【programmer】 to download the Bluetooth serial APP. Purchase Bluetooth Serial Module: https://item.taobao.com/item.htm?id=619731291566 After installing the Bluetooth module on the programmer, you can conveniently use your phone to view printed information and enter the console to execute various serial commands. This Bluetooth serial APP has practical functions such as saving … Read more
Recently, I have been developing with Bluetooth modules and summarizing some experiences to share, making it easier for everyone to get started quickly.Development scenario description: wireless data communication, replacing wired serial ports, viewing on mobile phones, without complex applications like audio or pairing.Why use Bluetooth?Common wireless communication methods include Bluetooth, WIFI, and 4G/5G. Under Bluetooth … Read more
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The Android Bluetooth module involves the analysis of keywords such as Bluetooth 3.0, Bluetooth 2.0, and comparisons with older versions, as well as a comparative analysis of three standard protocols: CCC, ICCE, and ICCOA. The keywords related to the Bluetooth module are as follows: 1. Core Concepts Bluetooth: A short-range wireless communication technology standard. Android … Read more
First, ensure that there is a Bluetooth-capable device on the hardware, then run the following command to activate our Bluetooth device: The code is as follows: lsusb Running hciconfig will show: From the image above, we can see that our Bluetooth device is hci0. Running hcitool dev will show the hardware address of our Bluetooth … Read more
Bluetooth has evolved through five versions from 1.0 to 5.0, each with distinct features. As the version number increases, the functionality of Bluetooth has continuously improved. This article introduces the Bluetooth standards from 1.0 to 5.0, the changes in transmission speed, the increase in effective transmission distance, changes in communication modes, and functional improvements. Version … Read more
/ Today’s Tech News / On the evening of April 10, Beijing time, the ACM announced that the 2023 Turing Award would be awarded to mathematician and top theoretical computer scientist Avi Wigderson of the Institute for Advanced Study in Princeton, recognizing his foundational contributions to computational theory, including shaping the understanding of randomness in … Read more
All OPPO TV remote controls feature an infrared mode, and all models support infrared remote control. 1. The OPPO smart TV remote control supports both infrared and Bluetooth modes. 2. When the remote control is not paired, it operates in infrared mode, and the TV supports infrared remote control. After pairing the remote control via … Read more
Some users may not know how to connect Bluetooth devices on their Windows 10 computers to use Bluetooth headphones for listening to music or watching videos. This guide will introduce the steps to do so. Steps are as follows: 1. First, click the Start icon in the lower left corner of the desktop, then click … Read more